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Tear Down of a RB Industrial Engine

Dutchrebuild

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Bought this beast for a song yesterday...now time to rip er down. Pretty much everything gets scrapped except block and crank and some trinkets. Was advertised as a 440 but of course it's probably a 413. Supposed to be a 1977. The front pad has nothing stamped on it.
The block casting number of 40068081 is a complete unknown to me...and I thought I knew them all. Bore measurements will tell all!

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Ready to go on the engine stand...and the scrap pile grows...

The balancer is unique to steel crank industrial RB engines.
The whole distributor set up is also unique

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Looks like you got a free distributor spacer. Nice.
 
Yup... usually only on marine and industrial engines...don't see them on motorhome versions
 
That tag on the valve cover should be punched for the engine size. Most likely came out of a 700 or larger truck. For sure not a motor home with that ignition, carb, and governor.
 
Interesting, I've never seen a Holey tag on a distributor before.
 
Believe it or not, I bought it from a Amish guy....he thought it was from a ditch digger
 
Probably a reverse rotation engine, may have adjustable rockers. Crank oil seal surface ////// maybe wrong \\\\\ if you use it on standard rotation build. Remove them and put correct ones? To costly?
 
Normal rockers...and evidence of a rebuild...bore is .040 413

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Believe it or not, I bought it from a Amish guy....he thought it was from a ditch digger
Painted red might make sense in the industrial line. All the 70 and newer as I remember were light blue in color.
 
That's it for today! Gotta prep for the horrible weather that's heading out way. Tomorrow I'll tear down the short block...stay tuned!

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Did Holley remanufacture distributors?
 
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